Source : WordNet®

bog down
     v 1: get stuck while doing something; "She bogged down many times
          while she wrote her dissertation" [syn: {bog}]
     2: cause to get stuck as if in a mire; "The mud mired our cart"
        [syn: {mire}]
     3: be unable to move further; "The car bogged down in the sand"
        [syn: {grind to a halt}, {get stuck}, {mire}]
     4: cause to slow down or get stuck; "The vote would bog down
        the house" [syn: {bog}]